Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Otolith-organ mechanics: lumped parameter model and dynamic response.

W Grant1, W Best

  • 1Engineering Science and Mechanics Department, Virginia Polytechnic Institute and State University, Blacksburg 24061.

Aviation, Space, and Environmental Medicine
|October 1, 1987
PubMed
Summary

The otolith organs

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Dabrafenib and Trametinib Therapy for Advanced Anaplastic Thyroid Cancer - Real-World Outcomes From UK Centres.

Clinical oncology (Royal College of Radiologists (Great Britain))·2022
Same author

Quality assurance of radiotherapy in the ongoing EORTC 1420 "Best of" trial for early stage oropharyngeal, supraglottic and hypopharyngeal carcinoma: results of the benchmark case procedure.

Radiation oncology (London, England)·2021
Same author

SU-E-T-210: Surviving a Visit by the Radiological Physics Center.

Medical physics·2017
Same author

Outpatient clinic numbers: a review of standards and current practice.

British journal of hospital medicine (London, England : 2005)·2017
Same author

Impact of Immunoglobulin Therapy in Intestinal Transplant Recipients With Posttransplantation Hypogammaglobulinemia.

Transplantation proceedings·2016
Same author

Intervening to alleviate word-finding difficulties in children: case series data and a computational modelling foundation.

Cognitive neuropsychology·2015

Area of Science:

  • Neuroscience
  • Biomechanics
  • Sensory Physiology

Background:

  • The otolith organs are crucial for sensing head motion.
  • Their dynamic response is characterized by two time constants, a long one (10s) and a short one (0.0002s).

Purpose of the Study:

  • To elucidate the distinct roles of otolith organ cell types in reporting head motion dynamics.
  • To correlate system dynamics with specific sensory information transmitted to the central nervous system.

Main Methods:

  • Experimental measurement of the otolith organs' long time constant (10s).
  • Calculation of the short time constant (0.0002s) using a maximum mechanical displacement criterion.
  • Analysis of system dynamics based on determined time constants and corner frequencies.

Main Results:

  • Peripheral sensory cells (Type II) convey skull velocity information between corner frequencies.
  • Striolar cells (Type I) transmit skull acceleration information between corner frequencies.
  • Below the lower corner frequency, peripheral cells report acceleration, and striolar cells report the rate of change of acceleration.

Conclusions:

  • Otolith organ cell types differentially encode head motion information based on frequency.
  • Type II cells are primarily velocity sensors, while Type I cells encode acceleration and its rate of change.
  • Understanding these dynamics is key to interpreting vestibular sensory information processing.

Related Experiment Videos